Base | Representation |
---|---|
bin | 100111101010101… |
… | …1111000000100001 |
3 | 10102202120102210002 |
4 | 1033111133000201 |
5 | 10211221011342 |
6 | 340024345345 |
7 | 44661405023 |
oct | 11725370041 |
9 | 3382512702 |
10 | 1331032097 |
11 | 62337312a |
12 | 311915255 |
13 | 1829b1975 |
14 | c8abc013 |
15 | 7bcbed32 |
hex | 4f55f021 |
1331032097 has 2 divisors, whose sum is σ = 1331032098. Its totient is φ = 1331032096.
The previous prime is 1331032093. The next prime is 1331032123. The reversal of 1331032097 is 7902301331.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 874739776 + 456292321 = 29576^2 + 21361^2 .
It is an emirp because it is prime and its reverse (7902301331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1331032097 - 22 = 1331032093 is a prime.
It is not a weakly prime, because it can be changed into another prime (1331032093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665516048 + 665516049.
It is an arithmetic number, because the mean of its divisors is an integer number (665516049).
Almost surely, 21331032097 is an apocalyptic number.
It is an amenable number.
1331032097 is a deficient number, since it is larger than the sum of its proper divisors (1).
1331032097 is an equidigital number, since it uses as much as digits as its factorization.
1331032097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3402, while the sum is 29.
The square root of 1331032097 is about 36483.3125826041. The cubic root of 1331032097 is about 1100.0088420777.
The spelling of 1331032097 in words is "one billion, three hundred thirty-one million, thirty-two thousand, ninety-seven".
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